Geschenke24
Revenue quadrupled
From 250k to 1M € monthly revenue through radical checkout testing.
More revenue from your shop. Or you pay nothing.
The Conversion Operating System for e-commerce: 20 years of CRO experience, distilled into software, processes and AI. We test, measure and scale. Paid on a performance basis: 10% of provable uplift. If the uplift does not come, you pay nothing.
210M+ €
Generated revenue
+34%
Avg. conversion uplift
3–5 days
To first live test
0 €
Setup cost
from €100,000
Monthly revenue
-
Gold Stevie Award Multiple Winner
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Top Expert 2026 Erfolg Magazin
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German Web Awards Winner 2021 + 2022
The average shop leaves 30 % of revenue on the table.
- 70 %
of shopping carts are abandoned
- 60 %
of traffic comes from mobile, at half the conversion rate
- 80 %
of revenue comes from 20 % of customers who are never reactivated
Sources: Baymard Institute (2026), Statista Mobile Commerce Report
Only results count.
0 €
Setup cost
0 €
Monthly fees
10%
Of provable uplift
6 mo.
Then the optimisation is yours
Example calculation
- Shop with 400,000 EUR revenue/month
- 400,000 €
- 15% uplift
- +60,000 EUR/month
- Your additional revenue
- +54,000 EUR/month
- Our share
- 6,000 EUR/month
The fair 6-month rule: Every successful A/B-test is billed for 6 months. After that, the optimisation is yours, forever. We start new tests. You scale your revenue.
Success Stories
What we measured
Rockstar Nails
+20% revenue in 30 days
Through targeted checkout optimisation and removal of purchase barriers.
Gutta Shop
+30% more conversions
Sustainable growth through systematic optimisation.
Kettner Precious Metals
+25% revenue
Trust optimisation for high-value products.
The person behind the system
Joerg Dennis Krueger
01
Entrepreneur
In e-commerce since 2006. Founder of JDKRUEGER&CO. 210M+ EUR additional revenue for clients.
02
Author & Speaker
The Conversion Hacker®. 1,000+ articles. Pioneer work "Conversion-Boosting with Website Testing". OMR, DMEXCO, OMKB.
03
System Architect
The knowledge from 20 years and thousands of A/B-tests is built into the 9 Engines, not a single brain.
04
210M+ EUR
Provable. Measured. Real.
Meet Joerg Dennis Krueger The person: joergdenniskrueger.com ↗
Three ways to more revenue from your shop.
-
Academy
Learn it yourself.
Conversion Hacker Academy: 101 modules, 43 hours, free, with certificate.
-
External CCO
Steer it together.
Jörg Dennis Krüger as your external Chief Conversion Officer, embedded in your team by the day. Only 3 slots.
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JDKRUEGER&CO Recommended
Have it done.
The Conversion Operating System: 0 € setup, 10 % of proven uplift. First test in 3–5 days.
* Cumulative additional revenue of all client projects since 2012, measured via direct A/B-test comparison (Control vs. Variant) when implementing the JDKRUEGER&CO methodology. Individual results may vary depending on shop setup, industry and season.
A short introduction.
One call, 15 minutes, free. We talk about what we can do together.